OpenTechnical

OT-2026-000076680

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000076680) never changes.

Identity and time

Publication numberOT-2026-000076680 · never reused
Internal UUID01a0ae94-b06f-7ad5-aef3-718f7cc2505e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076680
StatusPUBLIC

Content hashes

Canonical text04ac9129566019ad91b9d11797a6e16560bc62d10785989e96d2662f5fe433a6
Markdowne8c8629c50b88b3bf7118b0d1d5b659630ffa56704e690cf5f82f54e51be1540
PDF
Publication pagebce1e8d7c084eee12126d686a25add8c39a3fd0e2a31eb55097db38e6a78c8e1
Manifest2995bb510b8578936bd83b53afc39403ce5e77a1950d54f88c9c904b92437b1c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureULlrXrylb0r1e7PUC1uNrU8VugffbUd5lIZ46iXl3FUq3jMhRj2aOQawiHGXtbDMrxd7X8+9sH3WDlvCc9uzCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:25.978050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076680
observed bce1e8d7c084eee12126d686a25add8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.958579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076680/manifest.json
observed 2995bb510b8578936bd83b53afc39403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.939554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076680/publication.md
observed e8c8629c50b88b3bf7118b0d1d5b6596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.919802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076680/publication.txt
observed 04ac9129566019ad91b9d11797a6e165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.